Home / 557,778-839,701.92-508,176.84

Finding the Fourth Proportional to 557,778, 839,701.92 and 508,176.84

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Solution

The fourth proportional to 557,778, 839,701.92 and 508,176.84 is: 765,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,778 : 839,701.92 = 508,176.84 : x
  2. Step 2: Convert to fraction form
    557,778/839,701.92 = 508,176.84/x
  3. Step 3: Cross multiply
    557,778x = 839,701.92 × 508,176.84
  4. Step 4: Simplify right side
    557,778x = 426,717,068,247.53
  5. Step 5: Solve for x
    x = 426,717,068,247.53/557,778
  6. Step 6: Final answer
    x = 765,030.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.